Oxidation Behavior in Super-Plastic Microforming of Zr65Cu17.5Ni10Al7.5 Bulk Metallic Glass


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The influence of oxidation behavior on super-plastic microforming of bulk metallic glass Zr65Cu17.5Ni10Al7.5 in the super-cooled liquid region was investigated. Samples were heated in air from room temperature to 395°C, 410°C, and 430°C, respectively, and kept under each temperature for 40 minutes. The increased weight of samples and the thickness of oxide layer were measured. Subsequently, the sample was compressed under 410°C with a micro gear silicon mold. In result, the oxide layer of the gear cracked and could be easily removed; also, the X-ray diffractometer showed that the gear core below the oxide layer remained an amorphous structure. It can be concluded that the oxidation behavior of Zr65Cu17.5Ni10Al7.5 does not affect the super-plastic deformation, which indicates the feasibility of super-plastic microforming process in air.



Edited by:

Huixuan Zhang, Ye Han, Fuxiao Chen and Jiuba Wen






J. Wang et al., "Oxidation Behavior in Super-Plastic Microforming of Zr65Cu17.5Ni10Al7.5 Bulk Metallic Glass", Applied Mechanics and Materials, Vols. 117-119, pp. 1377-1382, 2012

Online since:

October 2011




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